<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryRef" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="公告标题" prop="title">
        <el-input v-model="queryParams.title" placeholder="请输入公告标题" clearable @keyup.enter="handleQuery" />
      </el-form-item>
      <el-form-item label="状态" prop="status">
        <el-select v-model="queryParams.status" placeholder="请选择状态" clearable>
          <el-option v-for="dict in categories_status" :key="dict.value" :label="dict.label" :value="dict.value" />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="Search" @click="handleQuery">搜索</el-button>
        <el-button icon="Refresh" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" plain icon="Plus" @click="handleAdd"
          v-hasPermi="['solution:announcements:add']">新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="success" plain icon="Edit" :disabled="single" @click="handleUpdate"
          v-hasPermi="['solution:announcements:edit']">修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="danger" plain icon="Delete" :disabled="multiple" @click="handleDelete"
          v-hasPermi="['solution:announcements:remove']">删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button type="warning" plain icon="Download" @click="handleExport"
          v-hasPermi="['solution:announcements:export']">导出</el-button>
      </el-col>
      <right-toolbar v-model:showSearch="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="announcementsList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="序号" align="center" prop="id" type="index" width="50" />
      <el-table-column label="公告标题" align="center" prop="title" />
      <el-table-column label="封面图" align="center" prop="coverImageUrl" width="100">
        <template #default="scope">
          <image-preview :src="scope.row.coverImageUrl" :width="50" :height="50" />
        </template>
      </el-table-column>
      <el-table-column label="状态" align="center" prop="status">
        <template #default="scope">
          <dict-tag :options="categories_status" :value="scope.row.status" />
        </template>
      </el-table-column>
      <el-table-column label="创建人" align="center" prop="createBy" />
      <el-table-column label="创建时间" align="center" prop="createTime" width="180">
        <template #default="scope">
          <span>{{ parseTime(scope.row.createTime, '{y}-{m}-{d} {h}:{i}:{s}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template #default="scope">
          <el-button link type="primary" icon="Edit" @click="handleUpdate(scope.row)"
            v-hasPermi="['solution:announcements:edit']">修改</el-button>
          <el-button link type="primary" icon="Delete" @click="handleDelete(scope.row)"
            v-hasPermi="['solution:announcements:remove']">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total > 0" :total="total" v-model:page="queryParams.pageNum"
      v-model:limit="queryParams.pageSize" @pagination="getList" />

    <!-- 添加或修改公告管理对话框 -->
    <el-dialog :title="title" v-model="open" width="1200px" append-to-body>
      <el-form ref="announcementsRef" :model="form" :rules="rules" label-width="80px" class="dialog">
        <el-form-item label="公告标题" prop="title">
          <el-input v-model="form.title" placeholder="请输入公告标题" class="input" />
        </el-form-item>
        <el-form-item label="封面图" prop="coverImageUrl">
          <image-upload v-model="form.coverImageUrl" />
        </el-form-item>
        <el-form-item label="状态" prop="status" v-if="form.id !== null">
          <el-select v-model="form.status" placeholder="请选择状态">
            <el-option v-for="dict in categories_status" :key="dict.value" :label="dict.label"
              :value="parseInt(dict.value)"></el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="公告摘要" prop="summary">
          <el-input v-model="form.summary" type="textarea" placeholder="请输入内容" class="textarea" />
        </el-form-item>
        <el-form-item label="公告详情">
          <editor v-model="form.detail" :min-height="300" />
        </el-form-item>
      </el-form>
      <template #footer>
        <div class="dialog-footer">
          <el-button type="primary" @click="submitForm">确 定</el-button>
          <el-button @click="cancel">取 消</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>

<script setup name="Announcements">
import { listAnnouncements, getAnnouncements, delAnnouncements, addAnnouncements, updateAnnouncements } from "@/api/solution/announcements";

const { proxy } = getCurrentInstance();
const { categories_status } = proxy.useDict('categories_status');

const announcementsList = ref([]);
const open = ref(false);
const loading = ref(true);
const showSearch = ref(true);
const ids = ref([]);
const single = ref(true);
const multiple = ref(true);
const total = ref(0);
const title = ref("");

const data = reactive({
  form: {},
  queryParams: {
    pageNum: 1,
    pageSize: 10,
    title: null,
    status: null,
  },
  rules: {
    title: [
      { required: true, message: "公告标题不能为空", trigger: "blur" }
    ],
    coverImageUrl: [
      { required: true, message: "封面图不能为空", trigger: "blur" }
    ],
    status: [
      { required: true, message: "状态不能为空", trigger: "change" }
    ],
    summary: [
      { required: true, message: "公告摘要不能为空", trigger: "blur" }
    ],
    detail: [
      { required: true, message: "公告详情不能为空", trigger: "blur" }
    ],
  }
});

const { queryParams, form, rules } = toRefs(data);

/** 查询公告管理列表 */
function getList() {
  loading.value = true;
  listAnnouncements(queryParams.value).then(response => {
    announcementsList.value = response.rows;
    total.value = response.total;
    loading.value = false;
  });
}

// 取消按钮
function cancel() {
  open.value = false;
  reset();
}

// 表单重置
function reset() {
  form.value = {
    id: null,
    title: null,
    coverImageUrl: null,
    status: null,
    summary: null,
    detail: null,
    createBy: null,
    createTime: null,
    updateBy: null,
    updateTime: null
  };
  proxy.resetForm("announcementsRef");
}

/** 搜索按钮操作 */
function handleQuery() {
  queryParams.value.pageNum = 1;
  getList();
}

/** 重置按钮操作 */
function resetQuery() {
  proxy.resetForm("queryRef");
  handleQuery();
}

// 多选框选中数据
function handleSelectionChange(selection) {
  ids.value = selection.map(item => item.id);
  single.value = selection.length != 1;
  multiple.value = !selection.length;
}

/** 新增按钮操作 */
function handleAdd() {
  reset();
  open.value = true;
  title.value = "添加公告管理";
}

/** 修改按钮操作 */
function handleUpdate(row) {
  reset();
  const _id = row.id || ids.value
  getAnnouncements(_id).then(response => {
    form.value = response.data;
    open.value = true;
    title.value = "修改公告管理";
  });
}

/** 提交按钮 */
function submitForm() {
  proxy.$refs["announcementsRef"].validate(valid => {
    if (valid) {
      if (form.value.id != null) {
        updateAnnouncements(form.value).then(response => {
          proxy.$modal.msgSuccess("修改成功");
          open.value = false;
          getList();
        });
      } else {
        addAnnouncements(form.value).then(response => {
          proxy.$modal.msgSuccess("新增成功");
          open.value = false;
          getList();
        });
      }
    }
  });
}

/** 删除按钮操作 */
function handleDelete(row) {
  const _ids = row.id || ids.value;
  proxy.$modal.confirm('是否确认删除公告管理编号为"' + _ids + '"的数据项？').then(function () {
    return delAnnouncements(_ids);
  }).then(() => {
    getList();
    proxy.$modal.msgSuccess("删除成功");
  }).catch(() => { });
}

/** 导出按钮操作 */
function handleExport() {
  proxy.download('solution/announcements/export', {
    ...queryParams.value
  }, `announcements_${new Date().getTime()}.xlsx`)
}

getList();
</script>
<style lang="scss" scoped>
.dialog{
  .input {
      width: 300px;
    }
  
    .textarea {
      resize: none;
      /* 禁止调整大小 */
      width: 600px;
  
      :deep(.el-textarea__inner) {
        resize: none;
  
      }
    }
}
</style>
